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Amazon.com: GRS 3FR-4 Full Range 3" Speaker Driver 4 Ohm : Electronics
Amazon.com: GRS 3FR-4 Full Range 3" Speaker Driver 4 Ohm : Electronics
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Arndt 1-529-483-11 Square Ferrite Speaker, 3" Diameter, 8 Ohm, 5 Watt, 3" Dia x 2.25" D (Pack of 2): Amazon.com: Industrial & Scientific
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